321.Compared with his sister,Jerry is even more _____ to,and more easily troubled by,emotional and relationship problems.

A.skeptical

B.addicted

C.available

D.sensitive

322.Jack is late again.It is ____ of him to keep others waiting.

A.normal

B.ordinary

C.common

D.typical

321.答案是D；

考查形容词词义辨析。Skeptical怀疑的，不肯相信的；短语be skeptical of/about sb./sth. Addicted 上瘾的；短语be addicted to sth.。available 可以得到的，可以使用的；短语be available to sb./for sth. Sensitive 敏感的；短语be sensitve to sth.

322.答案是D；

考查固定句型:It is typical of sb.to do sth.某人一向如此。